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[texts]OLE
Kumasi photos
Keywords: Kumasi; Ghana Reads; BeLL System
Downloads: 10
[texts]The Electronic Switching System - Bell Telephone Laboratories, Incorporated
The Electronic Switching System. Trial Installation, Morris, Illinois: General Description. Private Edition. Published April 1960 by Bell Telephone Laboratories, Incorporated in Whippany, New Jersey, USA. Copy #294. "The ESS can diagnose most of its own troubles and can identify the sources of trouble. But it still needs a maintenance staff well trained in the basic principles of the system. This book constitutes part of the educational material required for training such a staff; it is intended...
Keywords: telephone; textbook; bell system; bell telephone laboratories
Downloads: 566
[movies]Long Distance - Audio Productions

Keywords: telephones; communication; Bell System; Manifest Destiny; United States expansion
Downloads: 10,403 4.00 out of 5 stars4.00 out of 5 stars4.00 out of 5 stars4.00 out of 5 stars(8 reviews)
[collection]The Bell System Practices
The Bell System Practices were a set of documents produced by the American Telephone and Telegraph Company to instruct employees on the proper use and maintenance of all kinds of telephone equipment. As these materials span decades of the history of (what was at the time) the world's largest corporation, the quality varies widely. Some documents are carefully phototypeset originals, some are enlargements from microfilm, and still others are third-generation photocopies of typewritten originals.
Keywords: Bell System; telephone; ATT; American Telegraph and Telephone; phone equipment; manuals
Downloads: 38
[texts]BSTJ 26: 4. October 1947: Abstracts of Technical Articles by Bell System Authors.
Bell System Technical Journal, 26: 4. October 1947 pp 900-903. Abstracts of Technical Articles by Bell System Authors.
Keywords: viscosity; surface; aluminum; alloys; coatings; spectrochemical; bell; nickel; torsionally; determinations; space charge; bell system
Downloads: 25
[texts]BSTJ 37: 3. May 1958: Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Bell System Technical Journal, 37: 3. May 1958 pp 827-830. Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Keywords: monograph; monographs; graph; electron; technical; telephone; silicon; bell; inhomogeneously; germanium; system technical; bell system
Downloads: 33
[texts]BSTJ 49: 5. May-June 1970: SF Submarine Cable System - Forward. (Brewer, S.T.)
Bell System Technical Journal, 49: 5. May-June 1970 pp 601-604. SF Submarine Cable System - Forward. (Brewer, S.T.)
Keywords: system; reliability; cable; transatlantic; bell; submarine; design; growth; bandwidth; curve; cable system; system technical; bell system
Downloads: 24
[texts]BSTJ : Recent Monographs of Bell System Technical Papers Not Published in This Journal
Bell System Technical Journal, 39: 4 July 1960 pp 1113-1120. Recent Monographs of Bell System Technical Papers Not Published in This Journal
Keywords: monograph; monographs; bell; silicon; technical; effects; magnetic; dielectric; triglycine; infrared; system technical; bell system
Downloads: 47
[texts]BSTJ 55: 5. May-June 1976: Abstracts of Papers by Bell System Authors Published in Other Journals.
Bell System Technical Journal, 55: 5. May-June 1976 pp 687-689. Abstracts of Papers by Bell System Authors Published in Other Journals.
Keywords: tunable; ion; ieee; optical; diffusion; frequency; layer; raman; annealing; gaas; ion milling; bell system
Downloads: 24
[texts]BSTJ : Recent Monographs of Bell System Technical Papers Not Published in this Journal
Bell System Technical Journal, 38: 6 November 1959 pp 1595-1600. Recent Monographs of Bell System Technical Papers Not Published in this Journal
Keywords: monograph; monographs; germanium; silicon; bell; technical; quartz; simulation; diffused; transmission; system technical; bell system
Downloads: 37
[texts]BSTJ 35: 6. November 1956: Nobel Prize in Physics Awarded to Transistor Inventors.
Bell System Technical Journal, 35: 6. November 1956 pp i-iv. Nobel Prize in Physics Awarded to Transistor Inventors.
Keywords: laboratories; electron; prize; shockley; nobel; transistor; degree; brattain; awarded; davisson; nobel prize; bell system
Downloads: 46
[texts]BSTJ : George A. Campbell, 1870 - 1954
Bell System Technical Journal, 34: 1 January 1955 pp 1-4. George A. Campbell, 1870 - 1954
Keywords: telephone; american; campbell; mathematical; technical; electrical; frequencies; bell; institute; patent; system technical; bell system
Downloads: 21
[texts]BSTJ 56: 10. December 1977: WT4 Millimeter Waveguide System: Introduction. (Warters, W.D.)
Bell System Technical Journal, 56: 10. December 1977 pp 1825-1827. WT4 Millimeter Waveguide System: Introduction. (Warters, W.D.)
Keywords: waveguide; bell; system; millimeter; development; frequencies; western; repeater; southworth; reliability; bell system; long lines; western electric
Downloads: 40
[texts]BSTJ : Abstracts of Technical Articles by Bell System Authors
Bell System Technical Journal, 27: 4 October 1948 pp 747-751. Abstracts of Technical Articles by Bell System Authors
Keywords: spurious; modulation; mobile; frequency; absorbing; systems; directivity; regenerative; repeater; transmission; bell system; absorbing media
Downloads: 20
[texts]BSTJ 38: 5. September 1959: Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Bell System Technical Journal, 38: 5. September 1959 pp 1331-1334. Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Keywords: monograph; monographs; ferrimagnetic; domain; resonance; electron; bell; parametric; zone; technical; system technical; bell system
Downloads: 32
[texts]BSTJ 36: 5. September 1957: Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Bell System Technical Journal, 36: 5. September 1957 pp 1313-1317. Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Keywords: monograph; monographs; submarine; germanium; magnetic; ejection; geology; bell; graph; telephone; system technical; bell telephone; bell system
Downloads: 29
[texts]BSTJ : Thirtieth Anniversary
Bell System Technical Journal, 31: 4 July 1952 pp 611-612. Thirtieth Anniversary
Keywords: journal; bell; technical; shockley; system; inventor; publications; papers; editor; xxxi; bell system; system technical; technical journal
Downloads: 11
[texts]BSTJ 56: 4. April 1977: Abstracts of Papers by Bell System Authors Published in Other Journals.
Bell System Technical Journal, 56: 4. April 1977 pp 641-644. Abstracts of Papers by Bell System Authors Published in Other Journals.
Keywords: photovoltage; electron; stacking; nickel; faults; oxidation; inp; depoling; titanium; bandgap; stacking faults; sublimation pump; bell system
Downloads: 23
[texts]BSTJ 25: 4. October 1946: Abstracts of Technical Articles by Bell System Authors.
Bell System Technical Journal, 25: 4. October 1946 pp 652-654. Abstracts of Technical Articles by Bell System Authors.
Keywords: ebonites; magnetic; quartz; natural; nitrile; rubber; properties; chlorinated; geometrical; bell; bell system
Downloads: 21
[texts]BSTJ 38: 4. July 1959: Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Bell System Technical Journal, 38: 4. July 1959 pp 1061-1064. Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Keywords: monograph; monographs; bell; diffusion; alloy; thermal; graph; germanium; semiconducting; technical; system technical; bell system
Downloads: 23
[texts]BSTJ 37: 5. September 1958: Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Bell System Technical Journal, 37: 5. September 1958 pp 1319-1322. Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Keywords: monograph; monographs; ion; zinc; bell; hydrogen; behavior; graph; surface; lithium; system technical; bell system
Downloads: 19
[texts]BSTJ 34: 6. November 1955: Recent Monographs of Bell System Technical Papers Not Published in this Journal.
Bell System Technical Journal, 34: 6. November 1955 pp 1323-1326. Recent Monographs of Bell System Technical Papers Not Published in this Journal.
Keywords: monograph; monographs; crystal; structure; bell; technical; silicon; barium; germanium; telephone; system technical; crystal structure; bell system
Downloads: 20
[texts]BSTJ 13: 2. April 1934: Abstracts of Technical Articles from Bell System Sources.
Bell System Technical Journal, 13: 2. April 1934 pp 309-312. Abstracts of Technical Articles from Bell System Sources.
Keywords: impedance; bragg; electron; earth; technical; measurements; circuits; bell; components; widths; bell system; earth potential
Downloads: 19
[texts]BSTJ 62: 1. January 1983: Experimental Teleterminals - Hardware. (Hagelbarger, D.W.; Anderson, R.V.; Kubik, P.S.)
Bell System Technical Journal, 62: 1. January 1983 pp 145-152. Experimental Teleterminals - Hardware. (Hagelbarger, D.W.; Anderson, R.V.; Kubik, P.S.)
Keywords: display; microprocessor; keyboard; color; teleterminals; telephone; crt; buttons; set; ascii; system technical; bell system; printed circuit
Downloads: 25
[texts]BSTJ 26: 1. January 1947: Abstracts of Technical Articles by Bell System Authors.
Bell System Technical Journal, 26: 1. January 1947 pp 213-216. Abstracts of Technical Articles by Bell System Authors.
Keywords: speech; visible; analysis; screen; frequency; capacitance; mica; capacitors; geometrical; patterns; visible speech; electron beam; bell system
Downloads: 16
[texts]BSTJ 34: 2. March 1955: Contributors to this Issue.
Bell System Technical Journal, 34: 2. March 1955 pp 450-452. Contributors to this Issue.
Keywords: bell; telephone; laboratories; design; princeton; presently; institute; engaged; university; concerned; bell telephone; early work; bell system
Downloads: 15
[texts]BSTJ 37: 1. January 1958: Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Bell System Technical Journal, 37: 1. January 1958 pp 283-285. Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Keywords: monograph; monographs; bell; kronacher; electron; technical; huyett; susquehanna; system; statistical; bell system; system technical
Downloads: 13
[texts]BSTJ 50: 8. October 1971: A Fast Amplitude Approximation For Quadrature Pairs . (Robertson, G.H.)
Bell System Technical Journal, 50: 8. October 1971 pp 2849-2852. A Fast Amplitude Approximation For Quadrature Pairs . (Robertson, G.H.)
Keywords: algorithm; amplitude; quadrature; estimates; approximation; amplitudes; detectability; fourier; described; pair; system technical; bell system; algorithm described
Downloads: 13
[texts]BSTJ 35: 2. March, 1956: Recent Monographs of Bell System Technical Papers Not Published in this Journal.
Bell System Technical Journal, 35: 2. March, 1956 pp 527-530. Recent Monographs of Bell System Technical Papers Not Published in this Journal.
Keywords: monograph; monographs; resonance; germanium; bell; barium; ferromagnetic; electron; technical; electrical; system technical; bell system
Downloads: 29
[texts]BSTJ 16: 1. January 1937: Abstracts of Technical Articles from Bell System Sources.
Bell System Technical Journal, 16: 1. January 1937 pp 113-115. Abstracts of Technical Articles from Bell System Sources.
Keywords: diffusion; diffraction; crystallites; galena; cleaved; crystal; kikuchi; surfaces; photoelectric; imperfection; electron diffraction; diffraction patterns; bell system
Downloads: 30
[texts]BSTJ 33: 6. November 1954: Recent Monographs of Bell System Technical Papers Not Published in this Journal.
Bell System Technical Journal, 33: 6. November 1954 pp 1392-1397. Recent Monographs of Bell System Technical Papers Not Published in this Journal.
Keywords: monograph; monographs; electron; transistor; bell; resonance; graph; germanium; dependence; periodic; system technical; bell system
Downloads: 20
[texts]BSTJ 24: 3. July-October 1945: Abstracts of Technical Articles by Bell System Authors.
Bell System Technical Journal, 24: 3. July-October 1945 pp 462-466. Abstracts of Technical Articles by Bell System Authors.
Keywords: fader; measurement; transmission; plastics; system; method; network; equations; hyperbolic; flux; bell system; technical articles
Downloads: 16
[texts]BSTJ 54: 10. December 1975: SAFEGUARD Data-Processing System: Foreward . (Crowley, Thomas H.)
Bell System Technical Journal, 54: 10. December 1975 pp S3-S5. SAFEGUARD Data-Processing System: Foreward . (Crowley, Thomas H.)
Keywords: system; bell; safeguard; software; papers; technical; development; techniques; project; major; bell system; system technical
Downloads: 31
[texts]BSTJ 38: 3. May 1959: Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Bell System Technical Journal, 38: 3. May 1959 pp 899-904. Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Keywords: monograph; monographs; bell; gallium; ferroelectric; frequency; ferrite; gaussian; technical; infrared; system technical; bell system
Downloads: 14
[texts]BSTJ 32: 3. May 1953: Solderless Wrapped Connections - Introduction. (McRae, J. W.)
Bell System Technical Journal, 32: 3. May 1953 pp 523-524. Solderless Wrapped Connections - Introduction. (McRae, J. W.)
Keywords: connections; wire; solderless; bell; wrapped; telephone; relay; terminals; wrapping; tools; bell system; solderless wrapped
Downloads: 30
[texts]BSTJ 33: 5. September 1954: Recent Monographs of Bell System Technical Papers Not Published in this Journal.
Bell System Technical Journal, 33: 5. September 1954 pp 1201-1205. Recent Monographs of Bell System Technical Papers Not Published in this Journal.
Keywords: monograph; monographs; ultrasonic; electrons; electron; crystals; impurities; bell; technical; mobility; system technical; bell system
Downloads: 13
[texts]BSTJ 7: 2. April 1928: Abstracts of Bell System Technical Papers Not Appearing in this Journal.
Bell System Technical Journal, 7: 2. April 1928 pp 369-372. Abstracts of Bell System Technical Papers Not Appearing in this Journal.
Keywords: acoustic; transmission; ionization; soldering; frequency; davisson; fluxes; journal; measurements; brittle; system technical; bell system; technical journal
Downloads: 25
[texts]BSTJ 36: 2. March 1957: Recent Monographs of Bell System Technical Papers Not Published in This Journal.
Bell System Technical Journal, 36: 2. March 1957 pp 583-587. Recent Monographs of Bell System Technical Papers Not Published in This Journal.
Keywords: monograph; monographs; bell; lithium; magnetic; technical; silicon; crystal; reliable; theory; bell system; system technical
Downloads: 21
[texts]BSTJ 36: 5. September 1957: Bell System Technical Papers Not Published in This Journal.
Bell System Technical Journal, 36: 5. September 1957 pp 1308-1313. Bell System Technical Papers Not Published in This Journal.
Keywords: telephone; bell; monographs; telegraph; germanium; ferrites; electron; technical; acta; monograph; bell telephone; bell system; system technical
Downloads: 14
[texts]BSTJ 29: 4. October 1950: Technical Publications by Bell System Authors Other Than in the BellSystem Technical Journal.
Bell System Technical Journal, 29: 4. October 1950 pp 672-673. Technical Publications by Bell System Authors Other Than in the BellSystem Technical Journal.
Keywords: letter; brookhaven; bell; porcelain; magnetic; authors; reprint; july; pulse; counters; bell system
Downloads: 26
[texts]BSTJ 35: 4. July 1956: Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Bell System Technical Journal, 35: 4. July 1956 pp 979-984. Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Keywords: monograph; monographs; transistor; bell; siucon; technical; magnetic; graph; system; junction; system technical; bell system
Downloads: 34
[texts]BSTJ 42: 3. May 1963: Contributors to this Issue.
Bell System Technical Journal, 42: 3. May 1963 pp 737-738. Contributors to this Issue.
Keywords: bell; mathematical; telephone; development; switching; institute; radio; engaged; repeatered; columbia; bell telephone; bell system
Downloads: 19
[texts]BSTJ 37: 2. March, 1958: Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Bell System Technical Journal, 37: 2. March, 1958 pp 571-575. Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Keywords: monograph; monographs; electron; spectra; graph; bell; infrared; silicon; technical; relaxation; system technical; bell system
Downloads: 31
[texts]BSTJ 35: 6. November 1956: Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Bell System Technical Journal, 35: 6. November 1956 pp 1461-1464. Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Keywords: monograph; germanium; monographs; sulfate; graph; aluminum; guanidine; bell; technical; emission; system technical; bell system
Downloads: 21
[texts]BSTJ 39: 5. September 1960: Recent Monographs of Bell System Technical Papers Not Published in This Journal.
Bell System Technical Journal, 39: 5. September 1960 pp 1375-1378. Recent Monographs of Bell System Technical Papers Not Published in This Journal.
Keywords: monograph; monographs; graph; garnet; resonance; electron; simulation; bell; amplifier; magnetic; system technical; bell system
Downloads: 35
[texts]BSTJ 45: 6. July-August 1966: B.S.T.J. Recommendation for Adopting the International System (SI) of Units.
Bell System Technical Journal, 45: 6. July-August 1966 pp 765-766. B.S.T.J. Recommendation for Adopting the International System (SI) of Units.
Keywords: system; units; technical; bell; committee; scientific; international; journal; editorial; recommendation; system technical; bell system; technical journal
Downloads: 33
[texts]BSTJ 48: 4. April 1969: Foreword: The L-4 Coaxial System.
Bell System Technical Journal, 48: 4. April 1969 pp 819-820. Foreword: The L-4 Coaxial System.
Keywords: coaxial; system; design; bandwidth; transistors; bell; broadband; transmission; techniques; equipment; bell system
Downloads: 22
[texts]BSTJ 51: 1. January 1972: Contributors to this Issue.
Bell System Technical Journal, 51: 1. January 1972 pp 317-320. Contributors to this Issue.
Keywords: bell; university; plastics; sigma; society; system; nonlinear; engaged; lueder; laboratories; bell system; bell laboratories
Downloads: 21
[texts]BSTJ 48: 1. January 1969: Computation of the Noncentral Chi-Square Distribution. (Robertson, G.H.)
Bell System Technical Journal, 48: 1. January 1969 pp 201-207. Computation of the Noncentral Chi-Square Distribution. (Robertson, G.H.)
Keywords: equation; noncentral; exp; values; patnaik; marcum; algorithm; distribution; computing; integral; system technical; bell system
Downloads: 37
[texts]BSTJ 35: 3. May 1956: Tables of Phase of a Semi-Infinite Unit Attenuation Slope. (Thomas, D.E.)
Bell System Technical Journal, 35: 3. May 1956 pp 747-749. Tables of Phase of a Semi-Infinite Unit Attenuation Slope. (Thomas, D.E.)
Keywords: phase; tables; integral; accuracy; repeatered; radians; delay; monograph; slope; computation; unit slope; bell system
Downloads: 31
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